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MP4 (Video)
| File extension | .mp4 |
| Category | Video File |
| Description | MP4 files (MPEG-4 Part 14) are multimedia files. MP4 is a container format that can store video, audio and subtitle data (as well as more depending on content). Since stores like iTunes uses this container format, and it is used with iPod and PlayStation Portable (PSP), MP4 files have become more common. |
| Actions | MP4 to 3G2 - Convert file now View other video file formats |
| Technical Details | MPEG-4 Part 14 or MP4, formally ISO/IEC 14496-14:2003, is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital video and digital audio streams, especially those defined by MPEG, but can also be used to store other data such as subtitles and still images. Like most modern container formats, MPEG-4 Part 14 allows streaming over the Internet. A separate hint track is used to include streaming information in the file. The only official filename extension for MPEG-4 Part 14 files is .mp4. |
| Associated programs | Apple QuickTime Player Apple iTunes Microsoft Windows Media Player VideoLAN VLC Media Player |
| Developed by | Moving Picture Experts Group |
| MIME type | audio/mpeg |
| Useful links | Detailed information on the MP4 File Format How to play MP4 files MP4 Converter |
3G2 (Video)
| File extension | .3g2 |
| Category | Video File |
| Description | 3g2 was originally developed by the 3rd Generation Partnership Project 2. It is an audio and video format for use on 3G phones. It can also be played on some 2G and 4G phones. It is designed for transmitting multimedia files over the internet and is mainly used for viewing videos on mobile phones. 3G2 is also known as 3GPP2 which is based on the MPEG-4 standard which was derived from Apple's QuickTime. You are probably familiar with it if you have an Iphone. |
| Actions | 3G2 Converter View other video file formats |
| Technical Details | 3g2 is very much like MPEG-4 Part 14 (MP4) but a much more simplified version of it. It is designed to reduce bandwidth requirements in order to accommodate mobile phones. It is also designed to decrease storage - it stores video streams as MPEG-4 Part 2 or MPEG-4 part 10. It stores audio streams such as AMR-WB, AMR-NB, AMR-WB+, HE-AAC or AAC-LC. The idea is that 3g2 stores and transfers the most significant bytes first. |
| Associated programs | Apple QuickTime Player GOM Player Microsoft Media Player Classic Totem VideoLAN VLC Media Player |
| Developed by | 3rd Generation Partnership Project 2 |
| MIME type | video/3gpp audio/3gpp |
| Useful links | Find out about more 3G technologies A handy troubleshooting guide for trying to open 3g2 files 3G2 Converter |
Convert MP4 file
Using Zamzar it is possible to convert MP4 files to a variety of other formats
- mp4 to 3gp (3GPP Multimedia File)
- mp4 to 3g2 (3GPP2 Multimedia File)
- mp4 to aac (Advanced Audio Coding File)
- mp4 to ac3 (AC3 Audio File)
- mp4 to avi (Windows video file)
- mp4 to flac (Free Lossless Audio Codec)
- mp4 to flv (Flash video)
- mp4 to gif (Compuserve graphics interchange)
- mp4 to ipad (MPEG-4 (H264) Video File)
- mp4 to iphone (MPEG-4 (H264) Video File)
- mp4 to ipod (MPEG-4 Video File)
- mp4 to mov (Apple QuickTime Movie)
- mp4 to mp3 (Compressed audio file)
- mp4 to mpg (Moving Picture Experts Group File)
- mp4 to ogg (Ogg Vorbis Compressed Audio File)
- mp4 to wav (Windows audio file)
- mp4 to webm (Multimedia Container Format)
- mp4 to wmv (Windows Media Video)
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